| Cause of death | No (%) |
| Bronchopneumonia | 18 (41) |
| Aspiration/pneumonia | 5 (11) |
| Motor neurone disease | 5 (11) |
| Respiratory failure | 4 (9) |
| Pulmonary oedema/congestive cardiac failure | 4 (9) |
| Cardiac tamponade/acute myocardial infarction | 2 (5) |
| Malignancy | 2 (5) |
| Sepsis | 1 (2) |
| Chronic obstructive airways disease | 1 (2) |
| Epistaxis | 1 (2) |